Well, Dick, before folks get jealous, I'm pretty sure I spent a lot more money than most folks on this site, and I had a contractor build most of it. The building itself (foundation, framing, siding (except the brick), roof, and windows) cost $27,000. Insulation, brick & related materials, electrical, drywall, paint, heat pump, and other miscellaneous stuff was another $10000. The contractor had software to do all the engineering (though he almost had to get a structural engineer to sign off on some stuff, which would have been another $1k). I did do the brick, drywall, and paint, and had an electrician do all the wiring.
Building permits and regulations are handled locally here, and in my area are fairly relaxed. I did have building and electrical permits, which cost about $200. My brother-in-law in California says permits, soil testing, and various other similar items there would have cost $3000-$5000.
The only brick is the surface you see on the one wall. Everything else is 2x4 framing. One of the interesting differences between what I see in shops on this site and what I'm used to is the foundation. Here's my foundation and slab just after the pour last year:
Note that the footings and stub walls (I think that's the terminology), and slab were poured as a unit (with some expansion joint between the slab and foundation). In your case, you've got footings, then concrete block, then brick on top of that, then your framing. I'm no expert, but I've never seen brick (as opposed to concrete block) used structurally like that on new construction. Brick is all decorative here now. I'm not sure exactly why that is, but it's likely to do with both earthquake regulations and the cost of labor. I'm originally from Los Angeles, and I can tell you that in a big earthquake brick turns into a pile of pink dust. And concrete is way faster to pour than laying brick.
Here's a framing shot, from about the stage your shop is at now:
Oh, and A/C is a necessity here. We had 8 or 10 days at or over 100F (38C) this summer, and many more over 90F with high humidity.
Kirk